How to choose an under-sink water filter
Placeholder intro paragraph. Explain who this guide is for and the three factors that matter most when picking a system.
Contaminants removed
Placeholder content about chlorine, lead, PFAS, sediment and how to read certification claims. Mention checking your local water quality report first.
Install difficulty
Placeholder content about inline versus dedicated-faucet systems, cabinet clearance, and when you might want a plumber.
Filter change frequency
Placeholder content about cartridge lifespan, annual running cost, and how household size and water hardness shorten filter life.
Compare our picks
| Product | Filter Lifespan | Price | Rating |
|---|---|---|---|
| ClearFlow RX3 | 12 months | $180 – $220 | 4.8 / 5 |
| AquaPure Mini | 6 months | $120 – $150 | 4.5 / 5 |
| HydroLine RO5 | 12–24 months | $260 – $310 | 4.7 / 5 |
| SpringCore Duo | 9 months | $140 – $175 | 4.3 / 5 |
| NordWell Slim | 12 months | $195 – $230 | 4.6 / 5 |
| PureVale Home | 6 months | $95 – $125 | 4.1 / 5 |